12197104061 has 2 divisors, whose sum is σ = 12197104062. Its totient is φ = 12197104060.

The previous prime is 12197104009. The next prime is 12197104099. The reversal of 12197104061 is 16040179121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8624651161 + 3572452900 = 92869^2 + 59770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12197104061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12197104001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098552030 + 6098552031.

It is an arithmetic number, because the mean of its divisors is an integer number (6098552031).

Almost surely, 2^12197104061 is an apocalyptic number.

It is an amenable number.

12197104061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12197104061 is an equidigital number, since it uses as much as digits as its factorization.

12197104061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 12197104061 in words is "twelve billion, one hundred ninety-seven million, one hundred four thousand, sixty-one".